

ABSTRACT

Sanitizing concentrate and &#34;use&#34; compositions comprising aliphatic, short chain fatty acid (i.e., C6-C14 fatty acid), hydrotrope or solubilizer for the fatty acid, hydrotrope-compatible acid so that the concentrate, when diluted with a major amount of water provides a use solution having a pH in the range of 2.0 to 5.0. Sanitizing of substantially fixed, &#34;in-place&#34; processing lines in dairies, breweries and other food processing operations is a particular utility of this invention.



